logging.h

#ifndef LOGGING_H
#define LOGGING_H

#include <stdio.h>
#include <assert.h>

extern int _test_nproc, _test_myrank;
#if defined(ENABLE_DEBUG) || defined(ENABLE_CALLTRACE)
static int _test_start_debugging = 1;
#endif

#if defined(ENABLE_CALLTRACE)
extern FILE *_test_ofp;
#define _test_open_ofp() { if(_phot_ofp == NULL){char name[10]; sprintf(name,"out.%05d",_test_myrank);_phot_ofp=fopen(name,"w"); } }
#endif

void test_logging_msg(FILE *f, const char *pre, unsigned line, const char *func, const char *fmt, ...);

#define print_msg(p)    test_logging_msg(stdout, p, __LINE__, __FUNCTION__, NULL)
#define log_msg(p,...)  test_logging_msg(stdout, p, __LINE__, __FUNCTION__, __VA_ARGS__)
#define err_msg(p,...)  test_logging_msg(stderr, p, __LINE__, __FUNCTION__, __VA_ARGS__)
#define file_msg(p,...) test_logging_msg(_phot_ofp, p, __LINE__, __FUNCTION__, __VA_ARGS__)

#ifdef ENABLE_DEBUG
#define dbg_info(...)  do{ if(!_test_start_debugging){break;} log_msg("ALL:DBG",__VA_ARGS__); } while(0)
#define dbg_err(...)   do{ if(!_test_start_debugging){break;} err_msg("ALL:ERR",__VA_ARGS__); } while(0)
#define dbg_warn(...)  do{ if(!_test_start_debugging){break;} log_msg("ALL:WRN",__VA_ARGS__); } while(0)
#else
#define dbg_info(...)
#define dbg_err(...)
#define dbg_warn(...)
#endif
#ifdef ENABLE_CALLTRACE
#define dbg_trace(...) do{ if(!_test_start_debugging){break;} _test_open_ofp(); file_msg("ALL:TRACE",__VA_ARGS__); } while(0)
#else
#define dbg_trace(...)
#endif

#ifdef ENABLE_DEBUG
#define one_debug(...) do{ if (_test_myrank == 0) { log_msg("ONE:DBG",__VA_ARGS__); } } while (0)
#else
#define one_debug(...)
#endif

#define one_info(...)  do{ if (_test_myrank == 0) { log_msg("ONE:INF",__VA_ARGS__); } } while (0)
#define one_stat(...)  do{ if (_test_myrank == 0) { log_msg("ONE:STT",__VA_ARGS__); } } while (0)
#define one_warn(...)  do{ if (_test_myrank == 0) { log_msg("ONE:WRN",__VA_ARGS__); } } while (0)
#define one_err(...)   do{ if (_test_myrank == 0) { err_msg("ONE:ERR",__VA_ARGS__); } } while (0)

#define log_err(...)  err_msg("ALL:ERR",__VA_ARGS__)
#define log_info(...) log_msg("ALL:INF",__VA_ARGS__)
#define log_warn(...) log_msg("ALL:WRN",__VA_ARGS__)

#endif